Brick Sloped Inverted 34° 3 x 1 without Internal Stopper
Part Number 4287a
Name Brick Sloped Inverted 34° 3 x 1 without Internal Stopper
Category Bricks Sloped
Material Plastic
2 related parts (same mold or print family)

Variants of a mold are catalogued separately, so each one has its own sets and minifigs. Check these too if something you expect is missing here.

Appears in 298 sets
Black (73 sets)
    Red (58 sets)
      White (57 sets)
        Blue (50 sets)
          Yellow (46 sets)
            Light Gray (40 sets)
              Dark Gray (26 sets)
                Brown (7 sets)
                  Dark Red (4 sets)
                    Green (2 sets)
                      Pastel Blue (2 sets)
                        Sand Green (2 sets)
                          Orange (1 set)
                            Reddish Brown (1 set)
                              Tan (1 set)